RETRACTED: Oral delivery of insulin usin
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Young-Chang Nho; Sung-Eun Park; Hyung-Il Kim; Taek-Sung Hwang
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Article
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2005
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Elsevier Science
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English
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The pH-responsive hydrogels were studied as a drug carrier for the protection of insulin from the acidic environment of the stomach before releasing in the small intestine. Hydrogels based on poly(vinyl alcohol) networks grafted with acrylic acid or methacrylic acid were prepared via a two-step proc